Principal Technician II

St Engineering; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

ST Engineering in Singapore seeks a Principal Technician II to apply expert technical knowledge to complex airframe and engine maintenance, inspection, and repair tasks, ensuring compliance with regulatory standards and safety.

You will lead technical projects, mentor junior technicians, and collaborate with engineering, quality assurance, and operations to optimise aircraft performance and turnaround times across workshops and programs.

Qualifications

• Proven experience in airframe and engine maintenance in aerospace.
• Strong understanding of aircraft systems, materials, and maintenance procedures.
• Excellent problem-solving skills to diagnose and resolve issues.
• Ability to read and interpret technical manuals, drawings, and maintenance docs.
• Demonstrated leadership with experience guiding teams and prioritising workload.
• Effective communication across disciplines and levels of the organisation.
• Commitment to safety, quality, and continuous professional development.

Responsibilities

• Perform detailed airframe and engine maintenance, including overhaul and repairs.
• Lead troubleshooting and fault diagnosis activities to resolve complex technical issues.
• Ensure compliance with aviation regulations and company procedures.
• Provide technical guidance and coaching to technicians.
• Collaborate with engineering to implement modifications and improvements from maintenance feedback and service bulletins.
• Support audit processes and contribute to continuous improvement initiatives within the workshop.
• Maintain accurate and timely documentation of maintenance records and inspection reports.

Skills

Airframe maintenance

Engine maintenance

Regulatory compliance

Troubleshooting

Technical reading

Leadership

Team collaboration

Documentation

Safety focus

Job description

As Principal Technician II, you will bring your expert technical knowledge and hands-on experience to complex maintenance, inspection, and repair tasks involving airframes and engines. Your contribution will be essential in upholding maintenance standards and ensuring compliance with regulatory requirements. You will be tasked with leading technical projects, mentoring junior technicians, and collaborating with cross-functional teams including engineering, quality assurance, and operations to optimise aircraft performance and turnaround times.

Key Responsibilities

• Perform detailed airframe and engine maintenance, including overhaul and repairs following strict safety and quality standards.
• Lead troubleshooting and fault diagnosis activities to resolve complex technical issues efficiently.
• Ensure compliance with aviation regulations and company procedures in all maintenance activities.
• Provide technical guidance and coaching to technicians, fostering skill development and knowledge sharing within the team.
• Collaborate with engineering teams to implement modifications and improvements suggested from maintenance feedback and service bulletins.
• Support audit processes and contribute to continuous improvement initiatives within the workshop environment.
• Maintain accurate and timely documentation of maintenance records and inspection reports.

Skills and Qualifications

• Proven experience in airframe and engine maintenance in an aerospace environment, preferably within a similar role.
• Strong understanding of aircraft systems, materials, and maintenance procedures compliant with civil aviation authorities.
• Excellent problem-solving skills with the ability to apply technical knowledge to diagnose and resolve issues.
• Competent in reading and interpreting technical manuals, engineering drawings, and maintenance documentation.
• Demonstrated leadership abilities with experience guiding teams and managing workload priorities.
• Effective communication skills, capable of working collaboratively across multiple disciplines and levels of the organisation.
• A passion for safety, quality, and continuous professional development.

ST Engineering is a global technology, defence and engineering group with a diverse portfolio of businesses across the aerospace, smart city, defence and public security segments. The Group harnesses technology and innovation to solve real-world problems, enabling a more secure and sustainable world. Headquartered in Singapore, it has operations spanning Asia, Europe, the Middle East and the U.S., serving customers in more than 100 countries. ST Engineering reported revenue of over $12b in 2025 and ranks among the largest companies listed on the Singapore Exchange. It is a component stock of MSCI Singapore, FTSE Straits Times Index and Dow Jones Best-in-Class Asia Pacific Index

About Commercial Aerospace business

ST Engineering's Commercial Aerospace business is a world-class Original Equipment Manufacturer (OEM) and Maintenance, Repair and Overhaul (MRO) service provider with proven solutions for practically every stage of an aircraft life cycle. With 50 years of reputable track record in aviation, backed by a highly experienced team of engineers and technicians across facilities in Asia Pacific, the U.S. and Europe, we know what it takes to keep the world flying safely.